Find, fix and prevent vulnerabilities in your code.
medium severity
- Vulnerable module: inflight
- Introduced through: fastify-static@2.7.0 and shelljs@0.8.5
Detailed paths
-
Introduced through: browser-test-mocha@robertcorponoi/browser-test-mocha#fc26abd30e39f05a14203496d8cb3885d73aebbd › fastify-static@2.7.0 › glob@7.2.3 › inflight@1.0.6
-
Introduced through: browser-test-mocha@robertcorponoi/browser-test-mocha#fc26abd30e39f05a14203496d8cb3885d73aebbd › shelljs@0.8.5 › glob@7.2.3 › inflight@1.0.6
Overview
Affected versions of this package are vulnerable to Missing Release of Resource after Effective Lifetime via the makeres
function due to improperly deleting keys from the reqs
object after execution of callbacks. This behavior causes the keys to remain in the reqs
object, which leads to resource exhaustion.
Exploiting this vulnerability results in crashing the node
process or in the application crash.
Note: This library is not maintained, and currently, there is no fix for this issue. To overcome this vulnerability, several dependent packages have eliminated the use of this library.
To trigger the memory leak, an attacker would need to have the ability to execute or influence the asynchronous operations that use the inflight module within the application. This typically requires access to the internal workings of the server or application, which is not commonly exposed to remote users. Therefore, “Attack vector” is marked as “Local”.
PoC
const inflight = require('inflight');
function testInflight() {
let i = 0;
function scheduleNext() {
let key = `key-${i++}`;
const callback = () => {
};
for (let j = 0; j < 1000000; j++) {
inflight(key, callback);
}
setImmediate(scheduleNext);
}
if (i % 100 === 0) {
console.log(process.memoryUsage());
}
scheduleNext();
}
testInflight();
Remediation
There is no fixed version for inflight
.
References
low severity
- Vulnerable module: fastify-static
- Introduced through: fastify-static@2.7.0
Detailed paths
-
Introduced through: browser-test-mocha@robertcorponoi/browser-test-mocha#fc26abd30e39f05a14203496d8cb3885d73aebbd › fastify-static@2.7.0Remediation: Upgrade to fastify-static@4.2.4.
Overview
fastify-static is a plugin for serving static files as fast as possible.
Affected versions of this package are vulnerable to Open Redirect. It allows remote attackers to redirect Mozilla Firefox users to arbitrary websites via a double slash //
followed by a domain - http://localhost:3000//google.com/%2e%2e
.
The issue shows up on all the fastify-static
applications that set the redirect: true
option, which is false
by default.
Remediation
Upgrade fastify-static
to version 4.2.4 or higher.